Respuesta :

Answer:

Their average score was 88 + x / 2.

Step-by-step explanation:

Answer: (88+x)/2

Explanation: In order to find average, add all the numbers and divide it by how many numbers you added. So,

(88 + x)/2

Nothing else was given so I could only find this equation.

Brainliest please if I am correct. Hope it helped!